137873-06-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 137873-06-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,8,7 and 3 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 137873-06:
(8*1)+(7*3)+(6*7)+(5*8)+(4*7)+(3*3)+(2*0)+(1*6)=154
154 % 10 = 4
So 137873-06-4 is a valid CAS Registry Number.